Pajero II Workshop Manual 1991 · FUEL · страница 127 из 339 · Открыть оригинал PDF ↗

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Датчик температуры воздуха на впуске

OPERATION

The intake air temperature sensor converts the
engine intake air temperature into a voltage and
inputs it to the engine control unit;which then
corrects the fuel injection rate, etc.based on the
input signal.

Thepower in the enginecontrol unit is
supplied via a resistor in the unit to the intake air
temperature sensor;Via the sensor which is
kind of resistor, it is earthed in the engine control
unit:The intake air temperature sensor resistor
hassuchcharacteristic that its resistancede-
creases as the intake air temperature rises

The intake air temperature sensor terminal voltage
increases or decreases as the sensor resistance
increases or decreasesTherefore, the intake air
temperaturesensorterminal voltage changes
with the intake air temperature, decreasing as the
temperature rises:

TROUBLESHOOTING HINTS

The intake air temperature sensor senses the intake
airtemperatureintheaircleanerso thatmay
indicatea temperature different from outside tem-
perature depending on engine operating state

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